<template>
    <div class="screen-container" :style="containerStyle">
        <header class="screen-header">
            <div>
                <img :src="borderSrc" alt="">
            </div>
            <span class="logo">
                <img :src="logoSrc" alt="" />
            </span>
            <span class="title" :style="titleStyle">电商平台实时监控系统</span>
            <div class="title-right">
                <img :src="themeSrc" @click="changeTheme" class="qiehuan">
                <span class="datetime" :style="titleStyle">2049-01-01 00:00:00</span>
            </div>
        </header>
        <div class="screen-body">
            <section class="screen-left">
                <div id="left-top" :class="[fullScreenStatus.trend ? 'fullscreen' : '']">
                    <!-- 销量趋势图表 -->
                    <Trend ref="trend"> </Trend>
                    <!-- 右上角的 缩放器 -->
                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span @click="changeSize('trend')"
                            :class="['iconfont', fullScreenStatus.trend ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
                    </div>
                </div>
                <div id="left-bottom" :class="[fullScreenStatus.seller ? 'fullscreen' : '']">
                    <!-- 商家销售金额图表 -->
                    <SellerPage ref="seller"> </SellerPage>

                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span @click="changeSize('seller')"
                            :class="['iconfont', fullScreenStatus.seller ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
                    </div>

                </div>
            </section>
            <section class="screen-middle">

                <div id="middle-top" :class="[fullScreenStatus.map ? 'fullscreen' : '']">
                    <!-- 商家分布图表 -->
                    <Map ref="map"></Map>

                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span @click="changeSize('map')"
                            :class="['iconfont', fullScreenStatus.map ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
                    </div>
                </div>

                <div id="middle-bottom" :class="[fullScreenStatus.rank ? 'fullscreen' : '']">
                    <!-- 地区销量排行图表 -->
                    <Rank ref="rank"></Rank>

                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span @click="changeSize('rank')"
                            :class="['iconfont', fullScreenStatus.rank ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
                    </div>
                </div>

            </section>
            <section class="screen-right">

                <div id="right-top" :class="[fullScreenStatus.hot ? 'fullscreen' : '']">
                    <!-- 热销商品占比图表 -->
                    <Hot ref="hot"></Hot>

                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span @click="changeSize('hot')"
                            :class="['iconfont', fullScreenStatus.hot ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
                    </div>
                </div>

                <div id="right-bottom" :class="[fullScreenStatus.stock ? 'fullscreen' : '']">
                    <!-- 库存销量分析图表 -->
                    <Stock ref="stock"></Stock>

                    <div class="resize">
                        <!-- icon-compress-alt -->
                        <span @click="changeSize('stock')"
                            :class="['iconfont', fullScreenStatus.stock ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
                    </div>
                </div>
            </section>
        </div>
    </div>
</template>
<script>
import { getThemeValue } from '@/utils/theme_utils'
import { mapState } from 'vuex'
import Hot from '@/components/Hot.vue'
import Map from '@/components/Map.vue'
import Rank from '@/components/Rank.vue'
import SellerPage from '@/components/SellerPage.vue'
import Stock from '@/components/Stock.vue'
import Trend from '@/components/Trend.vue'

export default {
    created() {
        this.$ws.registerCallBack('fullScreen', this.recvData)
        this.$ws.registerCallBack('themeChange', this.recvThemeChange)

    },
    destroyed() {
        this.$socket.unRegisterCallBack('fullScreen')
        this.$socket.unRegisterCallBack('themeChange')

    },
    computed: {
        ...mapState(['theme']),
        borderSrc() {
            return '/static/img/' + getThemeValue(this.theme).headerBorderSrc
        },
        logoSrc() {
            return '/static/img/' + getThemeValue(this.theme).logoSrc
        },
        themeSrc() {
            return '/static/img/' + getThemeValue(this.theme).themeSrc
        },
        containerStyle() {
            return {
                backgroundColor: getThemeValue(this.theme).backgroundColor,
               
            }
        },
        titleStyle(){
            return{
                 color: getThemeValue(this.theme).titleColor
            }
        }
    },
    data() {
        return {
            // 定义每一个图表的全屏状态
            fullScreenStatus: {
                trend: false,
                seller: false,
                map: false,
                rank: false,
                hot: false,
                stock: false
            }
        }
    },
    methods: {
        changeSize(chartsName) {
            // this.fullScreenStatus[chartsName] = ! this.fullScreenStatus[chartsName] 
            // this.$nextTick(()=>{
            //     //数据加载完后  进行全屏展示
            //     this.$refs[chartsName].resizeEcharts()
            // })
            const targetValue = !this.fullScreenStatus[chartsName]
            this.$ws.send(JSON.stringify({
                action: 'fullScreen',
                socketType: 'fullScreen',
                chartName: chartsName,
                value: targetValue
            }))
        },
        recvData(oddData) {
            //取出哪一个图标需要进行切换
            const data = JSON.parse(oddData.data)
            var chartsName = data.chartName
            const targetValue = data.value
            this.fullScreenStatus[chartsName] = targetValue
            this.$nextTick(() => {
                //数据加载完后  进行全屏展示
                this.$refs[chartsName].resizeEcharts()
            })

        },
        changeTheme() {
            //this.$store.commit('changeTheme')
            //alert(this.$store.state.treem)
            this.$ws.send(JSON.stringify({
                action:'themeChange',
                socketType:'themeChange',
                chartsName:'',
                value:''
            }))
        },
        recvThemeChange(){
            this.$store.commit('changeTheme')
        }

    },
    components: {
        Hot,
        Map,
        Rank,
        SellerPage,
        Stock,
        Trend
    }

}
</script>
<style lang="less" scoped>
// 全屏样式的定义
.fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    z-index: 100;
}

.screen-container {
    width: 100%;
    height: 100%;
    padding: 0 20px;
    background-color: #161522;
    color: #fff;
    box-sizing: border-box;
}

.screen-header {
    width: 100%;
    height: 64px;
    font-size: 20px;
    position: relative;

    >div {
        img {
            width: 100%;
        }
    }

    .title {
        position: absolute;
        left: 50%;
        top: 50%;
        font-size: 20px;
        transform: translate(-50%, -50%);
    }

    .title-right {
        display: flex;
        align-items: center;
        position: absolute;
        right: 0px;
        top: 50%;
        transform: translateY(-80%);
    }

    .qiehuan {
        width: 28px;
        height: 21px;
        cursor: pointer;
    }

    .datetime {
        font-size: 15px;
        margin-left: 10px;
    }

    .logo {
        position: absolute;
        left: 0px;
        top: 50%;
        transform: translateY(-80%);

        img {
            height: 35px;
            width: 128px;
        }
    }
}

.screen-body {
    width: 100%;
    height: 100%;
    display: flex;
    margin-top: 10px;

    .screen-left {
        height: 100%;
        width: 27.6%;

        #left-top {
            height: 53%;
            position: relative;
        }

        #left-bottom {
            height: 31%;
            margin-top: 25px;
            position: relative;
        }
    }

    .screen-middle {
        height: 100%;
        width: 41.5%;
        margin-left: 1.6%;
        margin-right: 1.6%;

        #middle-top {
            width: 100%;
            height: 56%;
            position: relative;
        }

        #middle-bottom {
            margin-top: 25px;
            width: 100%;
            height: 28%;
            position: relative;
        }
    }

    .screen-right {
        height: 100%;
        width: 27.6%;

        #right-top {
            height: 46%;
            position: relative;
        }

        #right-bottom {
            height: 38%;
            margin-top: 25px;
            position: relative;
        }
    }
}

.com-container {
    position: relative;
}

//缩放器样式
.resize {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
}
</style>